BMC A-Series Simplex Camshaft Sprocket. 12G4337
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A-Series simplex camshaft timing gear. 12G4337 or 10M143
Fits 948cc, 1098cc and 1275cc BMC A-series engines with single row timing chain.
Mini
Morris Minor
Austin A35, 1100, 1300, Allegro, Marina 1275cc
MG Midget, Healey Sprite
Riley Elf & Kestrel
Wolseley Hornet, 1300